the part of a projecting stone or brick tailed or inserted in a wall.
  1. Building Trades.gravel, aggregate, etc., failing to pass through a given screen.
  2. the residue of any product, as in mining; leavings.

Origin of tailing

First recorded in 1640–50; tail1 + -ing1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tailings

Historical Examples of tailings

British Dictionary definitions for tailings


pl n

waste left over after certain processes, such as from an ore-crushing plant or in milling grain



the part of a beam, rafter, projecting brick or stone, etc, embedded in a wall
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012